Fear of old age :

Answer: Option A

Explanation:

Dipsomania means morbid compulsion of drink.

Demonomania means delusion of being under evil spirits.

Entomophobia means a morbid fear of insects.

Answer: Option B

Explanation:

Phasmophobia means fear of ghosts.

Xenophobia means fear of people from other countries.

Pyrophobia means fear of fire.

Answer: Option C

Explanation:

Ochlophobia means fear of crowds / mob.

Paedophobia means fear of children.

Peniophobia means fear of poverty.

Answer: Option B

Explanation:

Genophobia is the physical or psychological fear of sexual relations or sexual intercourse.

Gamophobia is fear of marriage.

Ergophobia means Fear of work.

Answer: Option D

Explanation:

Toxicophobia means fear of poison.

Theophobia means fear of God.

Scelerophobia means fear of burglars(चोर).